| 单词 | alluvial |
| 释义 | alluvial (once / 4059 pages) adj Alluvial refers to the stuff left behind by running water. Think of a city in the aftermath of a flood––streets littered with things that had once been floating––tree branches, parts of buildings, and lots of lots of sand and silt. Alluvial comes from the Latin word for washed, but the stuff water leaves behind doesn't often feel clean. In fact, the word is so closely associated with leftover debris that its meaning goes beyond flooding. If you have a party when your parents are out of town, you’d better get up early and clean up all the alluvial evidence. WORD FAMILYalluvial USAGE EXAMPLESAnswer: alluvial gold and the mercury required to extract it. The Guardian(Nov 19, 2016) Cities built over hard bedrock shake more than those built on alluvial areas with more sand and gravel. Washington Times(Nov 07, 2016) Winter says the park’s flooding is vital for animals and people, as it helps deposit fertile alluvial soil from the Brahmaputra River. National Geographic(Aug 02, 2016) adj of or relating to alluvium |
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